Famous explorers contributions of ancient cvilizations time lines early settlements continents and oceans natural resources and more, Includes: 25 sets of 30 standards - based review cards - 750 questions 12 Double - sided theme-based game boards comprehensive teacher guide classroom presentation CD and FREE online subscription, Enough material for 36 students Grade 3 Small Parts, Not for children under 3 yrs, SKU: EDRE28335